planetstack/core/plus/views.py

   1 #views.py
   2 import functools
   3 import math
   4 import os
   5 import sys
   6 from django.views.generic import TemplateView, View
   7 import datetime
   8 from pprint import pprint
   9 import json
  10 from syndicate.models import *
  11 from core.models import *
  12 from hpc.models import ContentProvider
  13 from operator import attrgetter
  14 from django import template
  15 from django.views.decorators.csrf import csrf_exempt
  16 from django.http import HttpResponse, HttpResponseServerError
  17 from django.core import urlresolvers
  18 from django.contrib.gis.geoip import GeoIP
  19 from ipware.ip import get_ip
  20 from operator import itemgetter, attrgetter
  21 import traceback
  22 import socket
  23
  24 BLESSED_SITES = ["Stanford", "Washington", "Princeton", "GeorgiaTech", "MaxPlanck"]
  25
  26 if os.path.exists("/home/smbaker/projects/vicci/cdn/bigquery"):
  27     sys.path.append("/home/smbaker/projects/vicci/cdn/bigquery")
  28 else:
  29     sys.path.append("/opt/planetstack/hpc_wizard")
  30 import hpc_wizard
  31 from planetstack_analytics import DoPlanetStackAnalytics, PlanetStackAnalytics, RED_LOAD, BLUE_LOAD
  32
  33 class DashboardWelcomeView(TemplateView):
  34     template_name = 'admin/dashboard/welcome.html'
  35
  36     def get(self, request, *args, **kwargs):
  37         context = self.get_context_data(**kwargs)
  38         context = getDashboardContext(request.user, context)
  39         return self.render_to_response(context=context)
  40
  41 class DashboardDynamicView(TemplateView):
  42     head_template = r"""{% extends "admin/dashboard/dashboard_base.html" %}
  43        {% load admin_static %}
  44        {% block content %}
  45     """
  46
  47     tail_template = r"{% endblock %}"
  48
  49     def get(self, request, name="root", *args, **kwargs):
  50         context = self.get_context_data(**kwargs)
  51         context = getDashboardContext(request.user, context)
  52
  53         if name=="root":
  54             return self.multiDashboardView(request, context)
  55         else:
  56             return self.singleDashboardView(request, name, context)
  57
  58     def readDashboard(self, fn):
  59         try:
  60             template= open("/opt/planetstack/templates/admin/dashboard/%s.html" % fn, "r").read()
  61             if (fn=="tenant"):
  62                 # fix for tenant view - it writes html to a div called tabs-5
  63                 template = '<div id="tabs-5"></div>' + template
  64             if (fn=="slice_interactions"):
  65                 # fix for slice_interactions - it gives its container div a 40px
  66                 # margin, and then positions it's header at -40px
  67                 template = '<div id="tabs-4">' + template + '</div>'
  68             return template
  69         except:
  70             return "failed to open %s" % fn
  71
  72     def multiDashboardView(self, request, context):
  73         head_template = self.head_template
  74         tail_template = self.tail_template
  75
  76         body = """
  77          <div id="hometabs" >
  78          <ul id="suit_form_tabs" class="nav nav-tabs nav-tabs-suit" data-tab-prefix="suit-tab">
  79         """
  80
  81         dashboards = request.user.get_dashboards()
  82
  83         # customize is a special dashboard they always get
  84         customize = DashboardView.objects.filter(name="Customize")
  85         if customize:
  86             dashboards.append(customize[0])
  87
  88         for i,view in enumerate(dashboards):
  89             body = body + '<li><a href="#dashtab-%d">%s</a></li>\n' % (i, view.name)
  90
  91         body = body + "</ul>\n"
  92
  93         for i,view in enumerate(dashboards):
  94             url = view.url
  95             body = body + '<div id="dashtab-%d">\n' % i
  96             if url.startswith("template:"):
  97                 fn = url[9:]
  98                 body = body + self.readDashboard(fn)
  99             body = body + '</div>\n'
 100
 101         body=body+"</div>\n"
 102
 103         t = template.Template(head_template + body + self.tail_template)
 104
 105         response_kwargs = {}
 106         response_kwargs.setdefault('content_type', self.content_type)
 107         return self.response_class(\r
 108             request = request,\r
 109             template = t,\r
 110             context = context,\r
 111             **response_kwargs)
 112
 113     def singleDashboardView(self, request, name, context):
 114         head_template = self.head_template
 115         tail_template = self.tail_template
 116
 117         t = template.Template(head_template + self.readDashboard(fn) + self.tail_template)
 118
 119         response_kwargs = {}
 120         response_kwargs.setdefault('content_type', self.content_type)
 121         return self.response_class(\r
 122             request = request,\r
 123             template = t,\r
 124             context = context,\r
 125             **response_kwargs)
 126
 127 def getDashboardContext(user, context={}, tableFormat = False):
 128         context = {}
 129
 130         userSliceData = getSliceInfo(user)
 131         if (tableFormat):
 132             context['userSliceInfo'] = userSliceTableFormatter(userSliceData)
 133         else:
 134             context['userSliceInfo'] = userSliceData
 135         context['cdnData'] = getCDNOperatorData(wait=False)
 136         context['cdnContentProviders'] = getCDNContentProviderData()
 137
 138         (dashboards, unusedDashboards)= getDashboards(user)
 139         unusedDashboards=[x for x in unusedDashboards if x!="Customize"]
 140         context['dashboards'] = dashboards
 141         context['unusedDashboards'] = unusedDashboards
 142
 143         return context
 144
 145 def getDashboards(user):
 146     #dashboards = sorted(list(user.dashboardViews.all()), key=attrgetter('order'))
 147     dashboards = user.get_dashboards()
 148
 149     dashboard_names = [d.name for d in dashboards]
 150
 151     unused_dashboard_names = []
 152     for dashboardView in DashboardView.objects.all():
 153         if not dashboardView.name in dashboard_names:
 154             unused_dashboard_names.append(dashboardView.name)
 155
 156     return (dashboard_names, unused_dashboard_names)
 157
 158 class TenantCreateSlice(View):
 159     def post(self, request, *args, **kwargs):
 160         sliceName = request.POST.get("sliceName", "0")
 161         serviceClass = request.POST.get("serviceClass", "0")
 162         imageName = request.POST.get("imageName", "0")
 163         actionToDo = request.POST.get("actionToDo", "0")
 164         #network = request.POST.get("network","0")
 165         mountDataSets = request.POST.get("mountDataSets","0")
 166         if (actionToDo == "add"):
 167            serviceClass = ServiceClass.objects.get(name=serviceClass)
 168            site = request.user.site
 169            image = Image.objects.get(name=imageName)
 170            newSlice = Slice(name=sliceName,serviceClass=serviceClass,site=site,imagePreference=image,mountDataSets=mountDataSets)
 171            newSlice.save()
 172         return HttpResponse("Slice created")
 173
 174 class TenantUpdateSlice(View):
 175     def post(self, request, *args, **kwargs):\r
 176         sliceName = request.POST.get("sliceName", "0")\r
 177         serviceClass = request.POST.get("serviceClass", "0")\r
 178         imageName = request.POST.get("imageName", "0")\r
 179         actionToDo = request.POST.get("actionToDo", "0")\r
 180         #network = request.POST.get("network","0")\r
 181         dataSet = request.POST.get("dataSet","0")\r
 182         slice = Slice.objects.all()\r
 183         for entry in slice:\r
 184                 serviceClass = ServiceClass.objects.get(name=serviceClass)\r
 185                 if(entry.name==sliceName):\r
 186                          if (actionToDo == "update"):\r
 187                                 setattr(entry,'serviceClass',serviceClass)\r
 188                                 setattr(entry,'imagePreference',imageName)\r
 189                                 #setattr(entry,'network',network)\r
 190                                 setattr(entry,'mountDataSets',dataSet)\r
 191                                 entry.save()\r
 192                                 break\r
 193         return HttpResponse("Slice updated")\r
 194 \r
 195 def getTenantSliceInfo(user, tableFormat = False):
 196     tenantSliceDetails = {}
 197     tenantSliceData = getTenantInfo(user)
 198     tenantServiceClassData = getServiceClassInfo(user)
 199     if (tableFormat):
 200        tenantSliceDetails['userSliceInfo'] = userSliceTableFormatter(tenantSliceData)
 201        tenantSliceDetails['sliceServiceClass']=userSliceTableFormatter(tenantServiceClassData)
 202     else:
 203        tenantSliceDetails['userSliceInfo'] = tenantSliceData
 204     tenantSliceDetails['sliceServiceClass']=userSliceTableFormatter(tenantServiceClassData)
 205     tenantSliceDetails['image']=userSliceTableFormatter(getImageInfo(user))
 206     #tenantSliceDetails['network']=userSliceTableFormatter(getNetworkInfo(user))
 207     tenantSliceDetails['deploymentSites']=userSliceTableFormatter(getDeploymentSites())
 208     tenantSliceDetails['sites'] = userSliceTableFormatter(getTenantSitesInfo())
 209     tenantSliceDetails['mountDataSets'] = userSliceTableFormatter(getMountDataSets())
 210     tenantSliceDetails['publicKey'] = getPublicKey(user)
 211     return tenantSliceDetails
 212
 213 def getTenantInfo(user):
 214     slices =Slice.objects.all()
 215     userSliceInfo = []
 216     for entry in slices:
 217        sliceName = Slice.objects.get(id=entry.id).name
 218        slice = Slice.objects.get(name=Slice.objects.get(id=entry.id).name)
 219        sliceServiceClass = entry.serviceClass.name
 220        preferredImage =  entry.imagePreference
 221        sliceDataSet = entry.mountDataSets
 222        #sliceNetwork = entry.network
 223        numSliver = 0
 224        sliceImage=""
 225        sliceSite = {}
 226        sliceNode = {}
 227        sliceInstance= {}
 228        for sliver in slice.slivers.all():
 229             if sliver.node.site.name in BLESSED_SITES:
 230                 sliceSite[sliver.node.site.name] = sliceSite.get(sliver.node.site.name,0) + 1
 231                 sliceImage = sliver.image.name
 232                 sliceNode[str(sliver)] = sliver.node.name
 233        numSliver = sum(sliceSite.values())
 234        numSites = len(sliceSite)
 235        userSliceInfo.append({'sliceName': sliceName,'sliceServiceClass': sliceServiceClass,'preferredImage':preferredImage,'numOfSites':numSites, 'sliceSite':sliceSite,'sliceImage':sliceImage,'numOfSlivers':numSliver,'sliceDataSet':sliceDataSet,'instanceNodePair':sliceNode})
 236     return userSliceInfo
 237
 238 def getTenantSitesInfo():
 239         tenantSiteInfo=[]
 240         for entry in Site.objects.all():
 241             if entry.name in BLESSED_SITES:
 242                  tenantSiteInfo.append({'siteName':entry.name})
 243         return tenantSiteInfo
 244
 245 def userSliceTableFormatter(data):
 246 #    pprint(data)
 247     formattedData = {
 248                      'rows' : data
 249                     }
 250     return formattedData
 251
 252 def getPublicKey(user):
 253         users=User.objects.all()\r
 254         for key in users:\r
 255                 if (str(key.email)==str(user)):\r
 256                         sshKey = key.public_key\r
 257         return sshKey
 258
 259 def getServiceClassInfo(user):
 260     serviceClassList = ServiceClass.objects.all()
 261     sliceInfo = []
 262     for entry in serviceClassList:
 263           sliceInfo.append({'serviceClass':entry.name})
 264     return sliceInfo
 265
 266 def getImageInfo(user):
 267     imageList = Image.objects.all()
 268     #imageList = ['Fedora 16 LXC rev 1.3','Hadoop','MPI']
 269     imageInfo = []
 270     for imageEntry in imageList:
 271           imageInfo.append({'Image':imageEntry.name})
 272           #imageInfo.append({'Image':imageEntry})
 273     return imageInfo
 274
 275 def createPrivateVolume(user, sliceName):
 276     caps = Volume.CAP_READ_DATA | Volume.CAP_WRITE_DATA | Volume.CAP_HOST_DATA
 277     getattr(Volume.default_gateway_caps,"read data") | \
 278            getattr(Volume.default_gateway_caps,"write data") | \
 279            getattr(Volume.default_gateway_caps,"host files")
 280     v = Volume(name="private_" + sliceName, owner_id=user, description="private volume for %s" % sliceName, blocksize=61440, private=True, archive=False, default_gateway_caps = caps)
 281     v.save()
 282
 283 SYNDICATE_REPLICATE_PORTNUM = 1025
 284
 285 def get_free_port():
 286     inuse={}
 287     inuse[SYNDICATE_REPLICATE_PORTNUM] = True
 288     for vs in VolumeSlice.objects.all():
 289         inuse[vs.peer_portnum]=True
 290         inuse[vs.replicate_portnum]=True
 291     for network in Network.objects.all():
 292         network_ports = [x.strip() for x in network.ports.split(",")]
 293         for network_port in network_ports:
 294             try:
 295                 inuse[int(network_port)] = True
 296             except:
 297                 # in case someone has put a malformed port number in the list
 298                 pass
 299     for i in range(1025, 65535):
 300         if not inuse.get(i,False):
 301             return i
 302     return False
 303
 304 def mountVolume(sliceName, volumeName, readWrite):
 305     slice = Slice.objects.get(name=sliceName)
 306     volume = Volume.objects.get(name=volumeName)
 307     # choose some unused port numbers
 308     flags = Volume.CAP_READ_DATA
 309     if readWrite:
 310         flags = flags | Volume.CAP_WRITE_DATA
 311     vs = VolumeSlice(volume_id = volume, slice_id = slice, gateway_caps=flags, peer_portnum = get_free_port(), replicate_portnum = SYNDICATE_REPLICATE_PORTNUM)
 312     vs.save()
 313
 314 def hasPrivateVolume(sliceName):
 315      slice = Slice.objects.get(name=sliceName)
 316      for vs in VolumeSlice.objects.filter(slice_id=slice):
 317          if vs.volume_id.private:
 318              return True
 319      return False
 320
 321 def getMountDataSets():
 322         dataSetInfo=[]\r
 323         for volume in Volume.objects.all():\r
 324             if not volume.private:\r
 325                 dataSetInfo.append({'DataSet': volume.name})\r
 326 \r
 327         return dataSetInfo
 328
 329 def getNetworkInfo(user):
 330    #networkList = Network.objects.all()
 331     networkList = ['Private Only','Private and Publicly Routable']
 332     networkInfo = []
 333     for networkEntry in networkList:
 334           #networkInfo.append({'Network':networkEntry.name})
 335           networkInfo.append({'Network':networkEntry})
 336     return networkInfo
 337
 338 def getDeploymentSites():
 339     deploymentList = Deployment.objects.all()
 340     deploymentInfo = []
 341     for entry in deploymentList:
 342         deploymentInfo.append({'DeploymentSite':entry.name})
 343     return deploymentInfo
 344
 345 def getSliceInfo(user):
 346     sliceList = Slice.objects.all()
 347     slicePrivs = SlicePrivilege.objects.filter(user=user)
 348     userSliceInfo = []
 349     for entry in slicePrivs:
 350
 351         slicename = Slice.objects.get(id=entry.slice.id).name
 352         slice = Slice.objects.get(name=Slice.objects.get(id=entry.slice.id).name)
 353         sliverList=Sliver.objects.all()
 354         sites_used = {}
 355         for sliver in slice.slivers.all():
 356              #sites_used['deploymentSites'] = sliver.node.deployment.name
 357              # sites_used[sliver.image.name] = sliver.image.name
 358              sites_used[sliver.node.site.name] = sliver.numberCores
 359         sliceid = Slice.objects.get(id=entry.slice.id).id
 360         try:
 361             sliverList = Sliver.objects.filter(slice=entry.slice.id)
 362             siteList = {}
 363             for x in sliverList:
 364                if x.node.site not in siteList:
 365                   siteList[x.node.site] = 1
 366             slivercount = len(sliverList)
 367             sitecount = len(siteList)
 368         except:
 369             traceback.print_exc()
 370             slivercount = 0
 371             sitecount = 0
 372
 373         userSliceInfo.append({'slicename': slicename, 'sliceid':sliceid,
 374                               'sitesUsed':sites_used,
 375                               'role': SliceRole.objects.get(id=entry.role.id).role,
 376                               'slivercount': slivercount,
 377                               'sitecount':sitecount})
 378
 379     return userSliceInfo
 380
 381 def getCDNContentProviderData():
 382     cps = []
 383     for dm_cp in ContentProvider.objects.all():
 384         cp = {"name": dm_cp.name,
 385               "account": dm_cp.account}
 386         cps.append(cp)
 387
 388     return cps
 389
 390 def getCDNOperatorData(randomizeData = False, wait=True):
 391     HPC_SLICE_NAME = "HyperCache"
 392
 393     bq = PlanetStackAnalytics()
 394
 395     rows = bq.get_cached_query_results(bq.compose_cached_query(), wait)
 396
 397     # wait=False on the first time the Dashboard is opened. This means we might
 398     # not have any rows yet. The dashboard code polls every 30 seconds, so it
 399     # will eventually pick them up.
 400
 401     if rows:
 402         rows = bq.postprocess_results(rows, filter={"event": "hpc_heartbeat"}, maxi=["cpu"], count=["hostname"], computed=["bytes_sent/elapsed"], groupBy=["Time","site"], maxDeltaTime=80)
 403
 404         # dictionaryize the statistics rows by site name
 405         stats_rows = {}
 406         for row in rows:
 407             stats_rows[row["site"]] = row
 408     else:
 409         stats_rows = {}
 410
 411     slice = Slice.objects.filter(name=HPC_SLICE_NAME)
 412     if slice:
 413         slice_slivers = list(slice[0].slivers.all())
 414     else:
 415         slice_slivers = []
 416
 417     new_rows = {}
 418     for site in Site.objects.all():
 419         # compute number of slivers allocated in the data model
 420         allocated_slivers = 0
 421         for sliver in slice_slivers:
 422             if sliver.node.site == site:
 423                 allocated_slivers = allocated_slivers + 1
 424
 425         stats_row = stats_rows.get(site.name,{})
 426
 427         max_cpu = stats_row.get("max_avg_cpu", stats_row.get("max_cpu",0))
 428         cpu=float(max_cpu)/100.0
 429         hotness = max(0.0, ((cpu*RED_LOAD) - BLUE_LOAD)/(RED_LOAD-BLUE_LOAD))
 430
 431         # format it to what that CDN Operations View is expecting
 432         new_row = {"lat": float(site.location.longitude),
 433                "long": float(site.location.longitude),
 434                "lat": float(site.location.latitude),
 435                "health": 0,
 436                "numNodes": int(site.nodes.count()),
 437                "activeHPCSlivers": int(stats_row.get("count_hostname", 0)),     # measured number of slivers, from bigquery statistics
 438                "numHPCSlivers": allocated_slivers,                              # allocated number of slivers, from data model
 439                "siteUrl": str(site.site_url),
 440                "bandwidth": stats_row.get("sum_computed_bytes_sent_div_elapsed",0),
 441                "load": max_cpu,
 442                "hot": float(hotness)}
 443         new_rows[str(site.name)] = new_row
 444
 445     # get rid of sites with 0 slivers that overlap other sites with >0 slivers
 446     for (k,v) in new_rows.items():
 447         bad=False
 448         if v["numHPCSlivers"]==0:
 449             for v2 in new_rows.values():
 450                 if (v!=v2) and (v2["numHPCSlivers"]>=0):
 451                     d = haversine(v["lat"],v["long"],v2["lat"],v2["long"])
 452                     if d<100:
 453                          bad=True
 454             if bad:
 455                 del new_rows[k]
 456
 457     return new_rows
 458
 459 def getPageSummary(request):
 460     slice = request.GET.get('slice', None)
 461     site = request.GET.get('site', None)
 462     node = request.GET.get('node', None)
 463
 464 class SimulatorView(View):
 465     def get(self, request, **kwargs):
 466         sim = json.loads(file("/tmp/simulator.json","r").read())
 467         text = "<html><head></head><body>"
 468         text += "Iteration: %d<br>" % sim["iteration"]
 469         text += "Elapsed since report %d<br><br>" % sim["elapsed_since_report"]
 470         text += "<table border=1>"
 471         text += "<tr><th>site</th><th>trend</th><th>weight</th><th>bytes_sent</th><th>hot</th></tr>"
 472         for site in sim["site_load"].values():
 473             text += "<tr>"
 474             text += "<td>%s</td><td>%0.2f</td><td>%0.2f</td><td>%d</td><td>%0.2f</td>" % \
 475                         (site["name"], site["trend"], site["weight"], site["bytes_sent"], site["load_frac"])
 476             text += "</tr>"
 477         text += "</table>"
 478         text += "</body></html>"
 479         return HttpResponse(text)
 480
 481 class DashboardUserSiteView(View):
 482     def get(self, request, **kwargs):
 483         return HttpResponse(json.dumps(getDashboardContext(request.user, tableFormat=True)), mimetype='application/javascript')
 484
 485 class TenantViewData(View):
 486     def get(self, request, **kwargs):
 487         return HttpResponse(json.dumps(getTenantSliceInfo(request.user, True)), mimetype='application/javascript')
 488
 489 def haversine(site_lat, site_lon, lat, lon):
 490     d=0
 491     if lat and lon and site_lat and site_lon:
 492         site_lat = float(site_lat)
 493         site_lon = float(site_lon)
 494         lat = float(lat)
 495         lon = float(lon)
 496         R = 6378.1
 497         a = math.sin( math.radians((lat - site_lat)/2.0) )**2 + math.cos( math.radians(lat) )*math.cos( math.radians(site_lat) )*(math.sin( math.radians((lon - site_lon)/2.0 ) )**2)
 498         c = 2 * math.atan2( math.sqrt(a), math.sqrt(1 - a) )
 499         d = R * c
 500
 501     return d
 502
 503 def siteSortKey(site, slice=None, count=None, lat=None, lon=None):
 504     # try to pick a site we're already using
 505     has_slivers_here=False
 506     if slice:
 507         for sliver in slice.slivers.all():
 508             if sliver.node.site.name == site.name:
 509                 has_slivers_here=True
 510
 511     # Haversine method
 512     d = haversine(site.location.latitude, site.location.longitude, lat, lon)
 513
 514     return (-has_slivers_here, d)
 515
 516 def tenant_pick_sites(user, user_ip=None, slice=None, count=None):
 517     """ Returns list of sites, sorted from most favorable to least favorable """
 518     lat=None
 519     lon=None
 520     try:
 521         client_geo = GeoIP().city(user_ip)
 522         if client_geo:
 523             lat=float(client_geo["latitude"])
 524             lon=float(client_geo["longitude"])
 525     except:
 526         print "exception in geo code"
 527         traceback.print_exc()
 528
 529     sites = Site.objects.all()
 530     sites = [x for x in sites if x.name in BLESSED_SITES]
 531     sites = sorted(sites, key=functools.partial(siteSortKey, slice=slice, count=count, lat=lat, lon=lon))
 532
 533     return sites
 534
 535 def slice_increase_slivers(user, user_ip, siteList, slice, count, noAct=False):
 536     sitesChanged = {}
 537
 538     # let's compute how many slivers are in use in each node of each site
 539     for site in siteList:
 540         site.nodeList = list(site.nodes.all())
 541         for node in site.nodeList:
 542             node.sliverCount = 0
 543             for sliver in node.slivers.all():
 544                  if sliver.slice.id == slice.id:
 545                      node.sliverCount = node.sliverCount + 1
 546
 547     # Allocate slivers to nodes
 548     # for now, assume we want to allocate all slivers from the same site
 549     nodes = siteList[0].nodeList
 550     while (count>0):
 551         # Sort the node list by number of slivers per node, then pick the
 552         # node with the least number of slivers.
 553         nodes = sorted(nodes, key=attrgetter("sliverCount"))
 554         node = nodes[0]
 555
 556         print "adding sliver at node", node.name, "of site", node.site.name
 557
 558         if not noAct:
 559             sliver = Sliver(name=node.name,
 560                         slice=slice,
 561                         node=node,
 562                         image = Image.objects.all()[0],
 563                         creator = User.objects.get(email=user),
 564                         deploymentNetwork=node.deployment,
 565                         numberCores =1 )
 566             sliver.save()
 567
 568         node.sliverCount = node.sliverCount + 1
 569
 570         count = count - 1
 571
 572         sitesChanged[node.site.name] = sitesChanged.get(node.site.name,0) + 1
 573
 574     return sitesChanged
 575
 576 def slice_decrease_slivers(user, siteList, slice, count, noAct=False):
 577     sitesChanged = {}
 578     sliverList ={}
 579     if siteList:
 580         siteNames = [site.name for site in siteList]
 581     else:
 582         siteNames = None
 583
 584     for sliver in slice.slivers.all():
 585         if(not siteNames) or (sliver.node.site.name in siteNames):\r
 586                 node = sliver.node\r
 587                 sliverList[sliver.name]=node.name
 588
 589     for key in sliverList:
 590         if count>0:
 591             sliver = Sliver.objects.filter(name=key)[0]\r
 592             sliver.delete()\r
 593             print "deleting sliver",sliverList[key],"at node",sliver.node.name\r
 594             count=count-1\r
 595             sitesChanged[sliver.node.site.name] = sitesChanged.get(sliver.node.site.name,0) - 1\r
 596 \r
 597     return sitesChanged
 598
 599 class TenantDeleteSliceView(View):
 600         def post(self,request):\r
 601                 sliceName = request.POST.get("sliceName",None)\r
 602                 slice = Slice.objects.get(name=sliceName)\r
 603                 #print slice, slice.id\r
 604                 sliceToDel=Slice(name=sliceName, id=slice.id)\r
 605                 sliceToDel.delete()
 606                 return HttpResponse("Slice deleted")
 607
 608 class TenantAddOrRemoveSliverView(View):
 609     """ Add or remove slivers from a Slice
 610
 611         Arguments:
 612             siteName - name of site. If not specified, PlanetStack will pick the
 613                        best site.,
 614             actionToDo - [add | rem]
 615             count - number of slivers to add or remove
 616             sliceName - name of slice
 617             noAct - if set, no changes will be made to db, but result will still
 618                     show which sites would have been modified.
 619
 620         Returns:
 621             Dictionary of sites that were modified, and the count of nodes
 622             that were added or removed at each site.
 623     """
 624     def post(self, request, *args, **kwargs):
 625         siteName = request.POST.get("siteName", None)
 626         actionToDo = request.POST.get("actionToDo", None)
 627         count = int(request.POST.get("count","0"))
 628         sliceName = request.POST.get("slice", None)
 629         noAct = request.POST.get("noAct", False)
 630
 631         if not sliceName:
 632             return HttpResponseServerError("No slice name given")
 633
 634         slice = Slice.objects.get(name=sliceName)
 635
 636         if siteName:
 637             siteList = [Site.objects.get(name=siteName)]
 638         else:
 639             siteList = None
 640
 641         if (actionToDo == "add"):
 642             user_ip = request.GET.get("ip", get_ip(request))
 643             if (siteList is None):
 644                 siteList = tenant_pick_sites(user, user_ip, slice, count)
 645
 646             sitesChanged = slice_increase_slivers(request.user, user_ip, siteList, slice, count, noAct)
 647         elif (actionToDo == "rem"):
 648             sitesChanged = slice_decrease_slivers(request.user, siteList, slice, count, noAct)
 649         else:
 650             return HttpResponseServerError("Unknown actionToDo %s" % actionToDo)
 651
 652         return HttpResponse(json.dumps(sitesChanged), mimetype='application/javascript')
 653
 654     def get(self, request, *args, **kwargs):
 655         request.POST = request.GET
 656         return self.post(request, *args, **kwargs)  # for testing REST in browser
 657         #return HttpResponseServerError("GET is not supported")
 658
 659 class TenantPickSitesView(View):
 660     """ primarily just for testing purposes """
 661     def get(self, request, *args, **kwargs):
 662         count = request.GET.get("count","0")
 663         slice = request.GET.get("slice",None)
 664         if slice:
 665             slice = Slice.objects.get(name=slice)
 666         ip = request.GET.get("ip", get_ip(request))
 667         sites = tenant_pick_sites(request.user, user_ip=ip, count=0, slice=slice)
 668         sites = [x.name for x in sites]
 669         return HttpResponse(json.dumps(sites), mimetype='application/javascript')
 670
 671 class DashboardSummaryAjaxView(View):
 672     def get(self, request, **kwargs):
 673         def avg(x):
 674             if len(x)==0:
 675                 return 0
 676             return float(sum(x))/len(x)
 677
 678         sites = getCDNOperatorData().values()
 679
 680         sites = [site for site in sites if site["numHPCSlivers"]>0]
 681
 682         total_slivers = sum( [site["numHPCSlivers"] for site in sites] )
 683         total_bandwidth = sum( [site["bandwidth"] for site in sites] )
 684         average_cpu = int(avg( [site["load"] for site in sites] ))
 685
 686         result= {"total_slivers": total_slivers,
 687                 "total_bandwidth": total_bandwidth,
 688                 "average_cpu": average_cpu}
 689
 690         return HttpResponse(json.dumps(result), mimetype='application/javascript')
 691
 692 class DashboardAddOrRemoveSliverView(View):
 693     # TODO: deprecate this view in favor of using TenantAddOrRemoveSliverView
 694
 695     def post(self, request, *args, **kwargs):
 696         siteName = request.POST.get("site", None)
 697         actionToDo = request.POST.get("actionToDo", "0")
 698
 699         siteList = [Site.objects.get(name=siteName)]
 700         slice = Slice.objects.get(name="HyperCache")
 701
 702         if (actionToDo == "add"):
 703             user_ip = request.GET.get("ip", get_ip(request))
 704             slice_increase_slivers(request.user, user_ip, siteList, slice, 1)
 705         elif (actionToDo == "rem"):
 706             slice_decrease_slivers(request.user, siteList, slice, 1)
 707
 708         print '*' * 50
 709         print 'Ask for site: ' + siteName + ' to ' + actionToDo + ' another HPC Sliver'
 710         return HttpResponse('This is POST request ')
 711
 712 class DashboardAjaxView(View):
 713     def get(self, request, **kwargs):
 714         return HttpResponse(json.dumps(getCDNOperatorData(True)), mimetype='application/javascript')
 715
 716 class DashboardAnalyticsAjaxView(View):
 717     def get(self, request, name="hello_world", **kwargs):
 718         if (name == "hpcSummary"):
 719             return HttpResponse(json.dumps(hpc_wizard.get_hpc_wizard().get_summary_for_view()), mimetype='application/javascript')
 720         elif (name == "hpcUserSite"):
 721             return HttpResponse(json.dumps(getDashboardContext(request.user, tableFormat=True)), mimetype='application/javascript')
 722         elif (name == "hpcMap"):
 723             return HttpResponse(json.dumps(getCDNOperatorData(True)), mimetype='application/javascript')
 724         elif (name == "bigquery"):
 725             (mimetype, data) = DoPlanetStackAnalytics(request)
 726             return HttpResponse(data, mimetype=mimetype)
 727         else:
 728             return HttpResponse(json.dumps("Unknown"), mimetype='application/javascript')
 729
 730 class DashboardCustomize(View):
 731     def post(self, request, *args, **kwargs):\r
 732         dashboards = request.POST.get("dashboards", None)\r
 733         if not dashboards:\r
 734             dashboards=[]\r
 735         else:\r
 736             dashboards = [x.strip() for x in dashboards.split(",")]\r
 737             dashboards = [DashboardView.objects.get(name=x) for x in dashboards]\r
 738 \r
 739         request.user.dashboardViews.all().delete()\r
 740 \r
 741         for i,dashboard in enumerate(dashboards):\r
 742             udbv = UserDashboardView(user=request.user, dashboardView=dashboard, order=i)\r
 743             udbv.save()\r
 744 \r
 745         return HttpResponse("updated")\r
 746